Prethinking : The passage starts with comparison of two entities in a particular aspect. Then the passage brings some outside information and links it to the better entity of the initial comparison.
A. Quarter Horses are usually taller than Appaloosas. Since Dandy Jim Zip is taller than the other horses in the competition, he must be a Quarter Horse.
This option compares horses. The later part brings some other information and links it to the better entity from the first line.
B. When people make more money, they generally are able to accumulate more wealth.
There is no comparison in this option.
INCORRECTC. When children practice piano scales for half an hour each day, they usually do extremely well at recitals. Since Hannah practices scales for less than a half an hour a day, she will have difficulty doing well at her recital.
There is no comparison in this option.
INCORRECTD. When children have parents who participate in their education, the children generally do better in school. Therefore, if parents want to help their children do better in school, they should participate in their children’s education.
There is no comparison in this option.
INCORRECTE. When children study math from an early age, they tend to do better in math in adulthood. Therefore, if you want to do better in math as an adult, you should study more as a child.
There is no comparison in this option.
INCORRECTHence option A